RU2018133610A - Нетканые материалы с добавкой, улучшающей барьерные свойства - Google Patents

Нетканые материалы с добавкой, улучшающей барьерные свойства Download PDF

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RU2018133610A
RU2018133610A RU2018133610A RU2018133610A RU2018133610A RU 2018133610 A RU2018133610 A RU 2018133610A RU 2018133610 A RU2018133610 A RU 2018133610A RU 2018133610 A RU2018133610 A RU 2018133610A RU 2018133610 A RU2018133610 A RU 2018133610A
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woven
fibers
nonwoven
layer
independently selected
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III Ральф А. МУДИ
Мехмет Селджук СЫНАНГЫЛ
III Альберт Дж. ДИЦ
Пьер ГРОНДЕН
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Эйвинтив Спешиалти Матириалз Инк.
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
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    • D01F1/10—Other agents for modifying properties
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    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/20—Fibres of continuous length in the form of a non-woven mat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2305/00—Condition, form or state of the layers or laminate
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    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • D—TEXTILES; PAPER
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Claims (41)

1. Нетканый материал, содержащий: множество нетканых слоев, включающих два наружных слоя и один или более внутренних слоев между двумя наружными слоями, при этом, по меньшей мере, один из одного или более внутренних слоев содержит добавку, повышающую непроницаемость для жидкостей (LBEA), содержащую амид.
2. Нетканый материал по п. 1, в котором LBEA содержит первичный амид, вторичный амид, третичный амид, бис-амид или их любую комбинацию.
3. Нетканый материал по п. 2, в котором два наружных слоя включает в себя первый нетканый слой, содержащий множество волокон первого слоя, имеющих первый средний диаметр волокон, и третий нетканый слой, содержащий множество волокон третьего слоя, имеющих третий средний диаметр волокон, а один или более внутренних слоев включает второй нетканый слой, содержащий множество волокон второго слоя, имеющих второй средний диаметр волокон, и при этом первый средний диаметр волокон и третий средний диаметр волокон больше второго среднего диаметра волокон.
4. Нетканый материал по п. 3, в котором второй средний диаметр волокон второго нетканого слоя составляет от приблизительно 0,1 до приблизительно 10 микрон, и при этом каждый из первого среднего диаметра волокон первого нетканого слоя и третьего среднего диаметра волокон третьего нетканого слоя независимо составляет 12-30 микрон.
5. Нетканый материал по пп. 3-4, в котором первый нетканый слой, третий нетканый слой или они оба содержат фильерный нетканый материал.
6. Нетканый материал по пп. 3-5, в котором множество волокон первого слоя представляют собой волокна, полученные формованием из расплава и имеющие круглое поперечное сечение, некруглое поперечное сечение, или любую их комбинацию.
7. Нетканый материал по пп. 3-6, в котором второй нетканый слой содержит фильерный нетканый материал.
8. Нетканый материал по пп. 3-7, в котором множество волокон второго слоя содержит волокна, полученные технологией "spun-blowing", фибриллированные волокна, полученные из расплавленной пленки, волокна, полученные технологией "electro-blowing", электроспряденные волокна или их комбинации.
9. Нетканый материал пп. 3-8, дополнительно содержащий четвертый нетканый слой, содержащий субмикронные волокна, при этом четвертый нетканый опосредованно расположен между первым нетканым слоем и третьим нетканым слоем.
10. Нетканый материал по пп. 3-9, при этом нетканый материал имеет структуру согласно одной из следующих формул
Figure 00000001
Figure 00000002
в которой 'S1' представляет собой фильерный нетканый материал или содержащий штапельные волокна нетканый материал, содержащий волокна с круглым поперечным сечением;
'S2' представляет собой фильерный нетканый материал или содержащий штапельные волокна нетканый материал, содержащий волокна с круглым поперечным сечением;
'М' представляет собой нетканый материал, полученный аэродинамическим способом из расплава;
'N' представляет собой содержащий субмикронные волокна, нетканый материал или содержащий тонкие волокна нетканый материал, полученный способом, отличным от аэродинамического способа получения нетканого материала из расплава;
'R1' представляет собой фильерный нетканый материал, содержащий волокна с некруглым поперечным сечением;
'R2' представляет собой фильерный нетканый материал, содержащий волокна с некруглым поперечным сечением;
'а' независимо выбрано из 1-5;
'b' независимо выбрано из 0-8;
'с' независимо выбрано из 0-3; и
'd' независимо выбрано из 1-5;
при этом сумма 'b' и 'с' составляет, по меньшей мере, 1.
11. Нетканый материал по пп. 3-9, при этом нетканый материал имеет структуру согласно следующей формуле:
Figure 00000003
в которой 'R1' представляет собой фильерный нетканый материал, содержащий волокна с некруглым поперечным сечением;
'R2' представляет собой фильерный нетканый материал, содержащий волокна с некруглым поперечным сечением;
'S1' представляет собой фильерный нетканый материал или содержащий штапельные волокна нетканый материал, содержащий волокна с круглым поперечным сечением;
'S2' представляет собой фильерный нетканый материал или содержащий штапельные волокна нетканый материал, содержащий волокна с круглым поперечным сечением;
'М' представляет собой нетканый материал, полученный аэродинамическим способом из расплава;
'N' представляет собой содержащий субмикронные волокна, нетканый материал или содержащий тонкие волокна нетканый материал, полученный способом, отличным от аэродинамического способа получения нетканого материала из расплава;
'а' независимо выбрано из 1-5;
'b' независимо выбрано из 1-5;
'с' независимо выбрано из 0-8;
'd' независимо выбрано из 0-3;
'е' независимо выбрано из 1-5; и
'f независимо выбрано из 1-5,
при этом сумма 'с' и 'd' составляет, по меньшей мере, 1.
12. Нетканый материал по пп. 3-11, в котором каждый из множества нетканых слоев содержит LBEA.
13. Нетканый материал по пп. 3-11, в котором два наружных слоя не имеют LBEA.
14. Изделие, содержащее: нетканый материал по любому из предыдущих пунктов, при этом изделие представляет собой маску для лица, хирургический халат, хирургическую простыню, лабораторный халат, фильтр или впитывающее изделие.
RU2018133610A 2016-02-25 2017-02-24 Нетканые материалы с добавкой, улучшающей барьерные свойства RU2018133610A (ru)

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